Abstract: A capsule medical apparatus system includes: a table for placing a subject thereon along a longitudinal direction; an antenna, which is arranged on a body surface of the subject, for receiving in-vivo information transmitted from a capsule medical apparatus inserted in the subject; a cable for transmitting the in-vivo information received by the antenna; a processing device, which is fixed to a longitudinal end portion of the table, for processing the in-vivo information transmitted via the cable; a rotation mechanism for rotating a connecting portion, at which the cable is connected to the processing device, about a rotation axis lying in the longitudinal direction of the table depending on posture change of the subject.

Abstract: A medical apparatus system includes a medical apparatus that acquires information on a subject; a posture item display unit that displays multiple posture items of the subject in which the medical apparatus acquires the information on the subject; an input unit that inputs a posture item of the subject in which the information on the subject is acquired among the posture items that are displayed by the posture item display unit; and a display controller that, in response to the input of the input unit, changes a display mode of the posture item of the subject that is displayed by the posture item display unit, such that the display mode indicates that the posture item is input by the input unit.

Abstract: A position detecting system that detects the position of a body-insertable apparatus inserted into a subject includes: a driving-magnetic-field generating unit that generates a driving magnetic field in a detection space in which the subject into which the body-insertable apparatus, which generates a resonant magnetic field induced by the driving magnetic, is inserted is surrounded; a magnetic sensor that detects a magnetic field generated in the detection space; a position detecting unit that detects, based on the magnetic field detected by the sensor, a position and a direction of the body-insertable apparatus; a guiding unit that guides at least one of the position and the direction of the body-insertable apparatus to at least one of a position and a direction set as targets; a predicting unit that predicts, using the position and the direction detected by the position detecting unit, a position and a direction at certain time of the body-insertable apparatus; and a control unit that controls the driving-m

Abstract: To provide a position detecting system including a detected object disposed in a detection space and an external device disposed outside the detection space. The detected object includes a resonant circuit that generates a resonant magnetic field according to a driving magnetic field formed in the detection space, and the external device includes at least two drive coils that form the driving magnetic field in the detection space, at least two drive-signal input units that respectively input a drive signal for forming the driving magnetic field to the drive coils, at least one sense coil that detects a magnetic field formed in the detection space, a signal adjustment unit that adjusts a phase and an amplitude of the drive signal input to each of the drive coils by the drive-signal input units, based on a magnetic field detected by the sense coil, and a position deriving unit that derives a position of the detected object based on the magnetic field detected by the sense coil.

Abstract: A system includes a body-insertable apparatus disposed while introduced in a subject in a detection space, and an external apparatus disposed on the outside of the subject. The body-insertable apparatus includes a first switch for connecting/interrupting a resonance circuit and an oscillation circuit or a ground line. The external apparatus includes a drive coil driving unit for outputting a drive signal having the resonance frequency; a drive coil for generating the drive magnetic field in the detection space in accordance with the drive signal; and a second switch for connecting/interrupting the drive coil driving unit and the drive coil. The second switch connects the drive coil driving unit and the drive coil when the first switch is off, and disconnects them when the first switch is on. The resonance circuit generates the resonance magnetic field in accordance with the induction signal or the drive magnetic field.

Abstract: A guiding system includes a capsule-type apparatus and a position controlling apparatus. The capsule-type apparatus includes a permanent magnet, which is fixed to a capsule-shaped casing, and is introduced into a subject. The position controlling apparatus includes a relative position controlling mechanism that changes a relative position between a predetermined axis and the subject, and a magnetic field generating mechanism that forms, in a space in which the subject is laid, a magnetic field that includes at least one of a component of a trapping magnetic field that attracts the permanent magnet to the predetermined axis and a component of a gradient magnetic field that attracts the permanent magnet in a direction same as or opposite to a direction in which the relative position is changed.

Abstract: A thermally responsive switch includes an airtight container including a metal housing and a header plate, conductive terminal pins airtightly fixed to the header plate, a fixed contact fixed to the conductive terminal pin, a thermally responsive plate one end of which is conductively connected to and fixed to the inner surface of the airtight container and the bending direction of which is reversed at a predetermined temperature, and a movable contact fixed to the other end of the thermally responsive plate. In the thermally responsive switch, the movable contact and the fixed contact are composed of a silver tin oxide based contact and gas containing 50% or more and 95% or less of helium is encapsulated in the airtight container in such a manner that gas pressure is equal to or more than 0.3 atmospheres and equal to or less than 0.8 atmospheres at ordinary temperature.

Abstract: A body-insertable apparatus has a resonance circuit for emitting a resonance magnetic field by being guided by a drive magnetic field received from the outside.

Abstract: A position detecting device includes a position calculator that performs an optimization convergence calculation using an evaluation function that expresses an error between a measurement value and a theoretical value of magnetic field information of a detection target to calculate at least a position of the detection target; a storage unit that stores a final convergence result of the optimization convergence calculation performed by the position calculator; and a controller that determines whether a result of the optimization convergence calculation converges, suspends the optimization convergence calculation performed by the position calculator when the result does not converge, and performs, after a predetermined time has passed, a returning process of returning a state of the optimization convergence calculation to a converged state by causing the position calculator to perform the optimization convergence calculation based on the final convergence result.

Abstract: A position detecting device includes a detected object that includes a circuit with an internal coil; a magnetic-field generator that includes a magnetic-field generating coil for generating a magnetic field with respect to a detection space of the detected object; detection coils that detect an induced magnetic field generated from the internal coil caused by the magnetic field; a magnetic-field-generating-coil switching unit that selects a magnetic-field generating coil from the magnetic-field generating coils in the magnetic-field generator; a storage unit that stores predetermined information for selecting a magnetic-field generating coil from the magnetic-field generating coils in the magnetic-field generator; and a control unit that controls the magnetic-field-generating-coil switching unit to select the magnetic-field generating coil to be operated among the magnetic-field generating coils in the first magnetic-field generator, based on at least one of a position and a direction of the detected object

Abstract: Provided is a position detecting device including a first magnetic-field generating unit including at least one magnetic-field generating coil and that generates a first magnetic field in a detection space where a detected object provided with a circuit including at least one built-in coil is disposed; a magnetic-field detecting unit having a plurality of detecting coils arrayed to detect an induced magnetic field generated from the built-in coil by the generated first magnetic field; and a second magnetic-field generating unit including at least one magnetic-field generating coil, that generates a second magnetic field, and including a magnetic-field component having a phase substantially opposite to the first magnetic field and entering the detecting coils, wherein the first magnetic-field generating unit and the detecting coils are disposed so that a generating direction of the first magnetic field and a detecting direction of the induced magnetic field intersect each other.

Abstract: An endoscope system includes: an endoscope for picking up an image in a body cavity by an image pickup apparatus provided in a distal end of an insertion portion; a position detecting apparatus for detecting, based on luminal information acquired by the image pickup apparatus, position information used for inserting the distal end of the insertion portion; a recording apparatus for recording, in a time-sequential manner, the position information detected by the position detecting apparatus; a determining apparatus for determining whether or not the detecting operation of the position information performed by the position detecting apparatus satisfies a set condition; and a direction calculating apparatus for, when the determination result shows that the set condition is not satisfied, reading out the position information recorded in the recording apparatus and outputting information on a direction in which the distal end of the insertion portion is to be inserted.

Abstract: A position detection system for a detection object and a position detection method for a detection object that enable calibration without removing a detection object after the detection object is introduced into a detection space are provided.

Abstract: A medical guidance system and a control method of a medical device are provided, which may increase the drive force of a medical device and improve controllability thereof. The medical guidance system has a medical device that includes a biologic information acquisition unit that acquires biologic information of the inside of a body cavity and a magnet that generates drive force in response to a magnetic field exerted from the outside of a body, a magnetic field generation unit 101 that generates the magnetic field to be exerted on the magnet from the outside of a body, and a displacement detection unit 105 that detects displacement being an angle formed between the magnetization direction of the magnet and the field direction of the magnetic field generated by the magnetic field generation unit 101 at the position of the medical device; wherein the magnetic field generation unit 101 is controlled based on the displacement.

Abstract: A medical device position detection system and a position detection method of a medical device guidance system, which are capable of detecting a direction of the medical device accurately, are provided.

Abstract: A situation where a medical device is outside a region suitable for guidance control thereof can be easily coped with. Included are a medical device provided with a magnet; a guiding unit (5X-1, 5X-2, 5Y-1, 5Y-2, 5Z-1, 5Z-2) that forms a control magnetic field for guidance control of the medical device, inside a prescribed control area; a detection unit (7Y-1, 7Y-2) that detects positional information of the medical device; and a computational unit that judges that the medical device has gone outside the control area on the basis of an output from the detection unit (7Y-1, 7Y-2) and calculates a direction for returning the medical device to the control area, wherein a signal-waveform calculating unit (21) stops forming the control magnetic field when the medical device is outside the control area.

Abstract: Smooth guiding through the inside of a body cavity is carried out by a magnetic field applied from the outside of the body. The provided capsule medical device (1) includes a bio-information detecting device (5) for detecting bio information of the inside of a body cavity; a magnet (12) for receiving a guidance magnetic field applied from outside the body and generating a driving force; a coil (7) for receiving a position-detection magnetic field applied from outside the body and generating a position-detection signal; a filter device (8), connected to the coil (7), for attenuating an induction signal component which is generated by the guidance magnetic field incident on the coil (7); and a wireless transmission device (10) for externally transmitting the position-detection signal which has passed through the filter device (8) and the bio information which has been detected by the bio-information detecting device (5).

Abstract: A magnetically guiding system includes: a capsule medical device that has a magnet provided therein; an information acquiring unit that acquires physical information about magnetic guiding of the capsule medical device; a magnetic field generating unit that generates a magnetic field for magnetically guiding the capsule medical device; and a control unit that sets a magnetic field condition based on the physical information acquired by the information acquiring unit and controls the magnetic field generating unit to generate a magnetic field corresponding to the magnetic field condition.

Abstract: A lumen passability checking device includes: an expandable and shrinkable outer casing that contains a predetermined fluid, is expanded by a pressure of the contained fluid, and forms an external diameter substantially equal to that of a capsule medical device to be inserted into a body of a subject; and a shape manipulating unit that flows out the fluid contained in the outer casing to shrink-deform the outer casing. The outer casing is shrink-deformed by flowing out the fluid, while maintaining a state of being integrated with the shape manipulating unit.

Abstract: An operating device operates a capsule endoscope with 6 degrees-of-freedom motion by using a magnetic field generator with respect to the capsule endoscope inserted into the subject. The operating device includes an operating unit including a fixed unit and a movable unit, and a force sensor incorporated in the operating unit. The operating unit has a three-dimensional shape substantially identical to the capsule endoscope and is a holdable size. The force sensor detects force information of the movable unit when the movable unit of the operating unit is operated once or continuously. The force information detected by the force sensor is output as instruction information for instructing 6 degrees-of-freedom motion of the capsule endoscope.